JPH0712689A - Pressure and flow rate regulator for water sampling apparatus - Google Patents
Pressure and flow rate regulator for water sampling apparatusInfo
- Publication number
- JPH0712689A JPH0712689A JP15715493A JP15715493A JPH0712689A JP H0712689 A JPH0712689 A JP H0712689A JP 15715493 A JP15715493 A JP 15715493A JP 15715493 A JP15715493 A JP 15715493A JP H0712689 A JPH0712689 A JP H0712689A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sample water
- flow rate
- valve
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ボイラプラント等に好
適に適用し得る試料水採取装置に係り、特に分析装置へ
供給する試料水の圧力・流量を調整する調整装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sample water sampling device which can be suitably applied to a boiler plant and the like, and more particularly to an adjusting device for adjusting the pressure and flow rate of the sample water supplied to an analyzer.
【０００２】[0002]
【従来の技術】一般に、火力あるいは原子力発電所等の
ボイラプラントにおいては、水質調整のための試料水採
取装置が設けられている。すなわち、図４において、プ
ロセス系統母管１０から抽出された給復水等の試料水
は、試料水採取装置１４のパイプライン１６へ導かれ、
そして先ずその上流側高圧領域１６ａにおいて、その高
温・高圧を、冷却器１８および減圧器２０を介してそれ
ぞれ減温（通常、２５℃程度）し、減圧（通常、２〜３
ｋｇ／ｃｍ2 程度）する。次いで、この減温・減圧され
た試料水は、その下流側低圧領域１６ｂにおいて、圧力
・流量が、コンスタントヘッドベッセル（または背圧
弁）２２および流量調節弁（通常はニードル弁）２４並
びに温度計２６、流量計２８および／または圧力計３０
からなる圧力・流量調整装置３２を介して調整される。
そして、その後、この一定流量の試料水は、最下流側の
分析装置３４へ供給されるよう構成されている。なお、
前記ヘッドベッセル２２は、分岐パイプライン３６を介
して所定の高さ位置に配置され、そして所要の試料水が
配水管３８内へオーバーフローされるよう構成されてい
る。2. Description of the Related Art Generally, a boiler plant such as a thermal power plant or a nuclear power plant is provided with a sample water sampling device for water quality adjustment. That is, in FIG. 4, the sample water such as the supply / condensate water extracted from the process system mother pipe 10 is guided to the pipeline 16 of the sample water collecting device 14,
Then, first, in the upstream high-pressure region 16a, the high temperature and high pressure are reduced in temperature (usually about 25 ° C.) via the cooler 18 and the decompressor 20, respectively, and decompressed (usually 2-3).
(kg / cm 2 ). Next, in the downstream low-pressure region 16b, the sample water whose temperature has been reduced / decompressed has constant pressure / flow rate of constant head vessel (or back pressure valve) 22, flow rate control valve (usually needle valve) 24, and thermometer 26. , Flow meter 28 and / or pressure meter 30
Is adjusted via the pressure / flow rate adjusting device 32.
Then, after that, the sample water having a constant flow rate is configured to be supplied to the analysis device 34 on the most downstream side. In addition,
The head vessel 22 is arranged at a predetermined height position via a branch pipeline 36, and the required sample water is overflowed into the water distribution pipe 38.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述し
た従来の圧力・流量調整装置は、以下に述べるような難
点を有していた。However, the above-mentioned conventional pressure / flow rate adjusting device has the following drawbacks.
【０００４】すなわち、前記従来の圧力・流量調整装置
は、前述したように下流側低圧領域内に配設されるヘッ
ドベッセルおよびニードル弁からなる調整手段と、温度
計、流量計および圧力計からなる計測手段とから構成さ
れており、しかもこの装置構成は相当の設置スペースを
必要とするので、採取装置が大形化していたことは明ら
かである。That is, the above-mentioned conventional pressure / flow rate adjusting device comprises the adjusting means including the head vessel and the needle valve, which are arranged in the low pressure region on the downstream side, and the thermometer, the flow meter and the pressure gauge, as described above. It is clear that the sampling device was upsized because it consisted of measuring means and required a considerable installation space.
【０００５】次に、前記装置構成において、その計測手
段は、通常指示計のみから形成されているため、現場で
の目視・確認を必要とすると共に、その調整手段のニー
ドル弁は、水垢等による試料水の流量低下に基づく分析
精度の低下を防止するため、１日１回程度のチェックお
よび調整を必要とする。このため、採取装置の監視およ
び保守管理が繁雑化していた。Next, in the above apparatus structure, since the measuring means is usually formed by only an indicator, it requires visual inspection and confirmation at the site, and the needle valve of the adjusting means is made of scale or the like. In order to prevent a decrease in analysis accuracy due to a decrease in the flow rate of sample water, it is necessary to check and adjust once a day. Therefore, the monitoring and maintenance of the sampling device have become complicated.
【０００６】さらに、前記調整手段のヘッドベッセル
は、試料水をオーバフローするので、無駄および／また
はその他の障害を発生していた。このため、前記従来の
圧力・流量調整装置に対しては、前記難点を解決するた
めに、例えば保守頻度を低減すると共に制御可能に一括
監視することができる技術の提供が広く要望されてい
た。Further, since the head vessel of the adjusting means overflows the sample water, waste and / or other troubles occur. Therefore, for the above-mentioned conventional pressure / flow rate adjusting device, in order to solve the above-mentioned drawbacks, it has been widely demanded to provide a technique capable of performing controllable batch monitoring while reducing maintenance frequency, for example.
【０００７】そこで、本発明の目的は、制御可能にかつ
一括監視できると共に、保守が容易でしかも簡単かつ小
形に構成することができる試料水採取装置の圧力・流量
調整装置を提供することにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a pressure / flow rate adjusting device for a sample water sampling device which is controllable and can be collectively monitored, is easy to maintain, and is simple and compact. .
【０００８】[0008]
【課題を解決するための手段】先の目的を達成するた
め、本発明に係る試料水採取装置の圧力・流量調整装置
は、高温・高圧の試料水を減温・減圧した後分析装置へ
供給する試料水採取装置において、前記供給試料水の圧
力・流量を調整する調整装置を、前記減温・減圧した試
料水の温度および圧力を検出することによりこの試料水
の流量を調整するよう形成したセンサ付コントロール弁
で構成することを特徴とする。In order to achieve the above object, a pressure / flow rate adjusting device of a sample water sampling device according to the present invention supplies high temperature / high pressure sample water to an analyzing device after reducing / depressurizing it. In the sample water sampling device, an adjusting device for adjusting the pressure / flow rate of the supplied sample water is formed so as to adjust the flow rate of the sample water by detecting the temperature and pressure of the dewatered / depressurized sample water. It is characterized by comprising a control valve with a sensor.
【０００９】この場合、センサ付コントロール弁には、
下流側低圧領域における試料水の温度、圧力および流量
を表示および／または制御する監視装置および／または
制御装置を設けることができる。In this case, the control valve with sensor is
Monitoring and / or control devices may be provided to display and / or control the temperature, pressure and flow rate of the sample water in the downstream low pressure region.
【００１０】また、センサ付コントロール弁は、その弁
部を弁シートおよび弁ディスクを含む電動弁部として形
成すると共に、その試料水圧力検出センサを電動弁部の
上流側および下流側にそれぞれ配置し、これにより電動
弁部が両圧力センサの出力差圧に基づいて制御し得るよ
う構成することができる。そして、この場合、電動弁部
は、さらに試料水温度検出センサを介して補正制御し得
るよう構成し、また電動弁部の弁シートは、オリフィス
形状に構成することができる。Further, in the control valve with sensor, the valve portion is formed as an electric valve portion including a valve seat and a valve disc, and the sample water pressure detection sensors are arranged on the upstream side and the downstream side of the electric valve portion, respectively. Therefore, the electrically operated valve portion can be configured to be controlled based on the output pressure difference between the two pressure sensors. In this case, the motor-operated valve unit can be configured to be further corrected and controlled via the sample water temperature detection sensor, and the valve seat of the motor-operated valve unit can be configured to have an orifice shape.
【００１１】[0011]
【作用】本発明において、供給試料水の圧力・流量調整
装置は、この試料水の温度および圧力を検出することに
よりこの試料水の流量を調整するよう形成したセンサ付
コントロール弁で構成し、しかもこのセンサ付コントロ
ール弁には、試料水の温度、圧力および流量を表示およ
び／または制御する監視装置および／または制御装置を
設けることができる。言い換えれば、本発明の圧力・流
量調整装置は、単体からなり、しかも監視・制御装置を
具備することができる多機能センサ付コントロール弁に
より構成されている。従って、本発明の圧力・流量調整
装置によれば、保守が容易となると共に、構成が簡単か
つ小形となり、しかも監視を制御可能に一括して行うこ
とが可能となる。In the present invention, the pressure / flow rate adjusting device for the supplied sample water is composed of a control valve with a sensor formed so as to adjust the flow rate of the sample water by detecting the temperature and pressure of the sample water. The sensor-equipped control valve can be provided with a monitoring device and / or a control device for displaying and / or controlling the temperature, pressure and flow rate of the sample water. In other words, the pressure / flow rate adjusting device of the present invention is composed of a single unit, and is composed of a control valve with a multi-function sensor that can be equipped with a monitoring / control device. Therefore, according to the pressure / flow rate adjusting device of the present invention, maintenance is facilitated, the configuration is simple and compact, and the monitoring can be collectively performed in a controllable manner.
【００１２】[0012]
【実施例】次に、本発明に係る試料水採取装置の圧力・
流量調整装置の実施例につき、添付図面を参照しながら
以下詳細に説明する。なお、説明の便宜上、図４に示す
従来の構造と同一の構成部分には同一の参照符号を付
し、詳細な説明は省略する。EXAMPLES Next, the pressure of the sample water sampling device according to the present invention
An embodiment of the flow rate adjusting device will be described in detail below with reference to the accompanying drawings. For convenience of explanation, the same components as those of the conventional structure shown in FIG. 4 are designated by the same reference numerals, and detailed description thereof will be omitted.
【００１３】図１において、本発明の圧力・流量調整装
置の構成は、基本的には、前述した図４に示す従来装置
と同一である。従って、重複するが、再び簡単に説明す
ると、プロセス系統母管１０から抽出された試料水は、
試料水採取装置１４のパイプライン１６へ導かれ、そし
て先ずその上流側高圧領域１６ａにおいて、その高温・
高圧を冷却器１８および減圧器２０を介してそれぞれ減
温、減圧される。次いで、この減温・減圧された試料水
は、この下流側低圧領域１６ｂにおいてその圧力・流量
を圧力・流量調整装置４０を介して調整される。そし
て、この一定流量に調整された試料水は、最下流側の分
析装置３４へ供給されるよう構成されている。In FIG. 1, the structure of the pressure / flow rate adjusting device of the present invention is basically the same as that of the conventional device shown in FIG. Therefore, although overlapping, but briefly described again, the sample water extracted from the process system mother pipe 10 is
It is introduced into the pipeline 16 of the sample water collecting device 14, and first, in the high pressure region 16a on the upstream side thereof,
The high pressure is reduced in temperature and reduced in pressure via the cooler 18 and the pressure reducer 20, respectively. Next, the pressure / flow rate of the sample water whose temperature has been reduced / depressurized is adjusted in the downstream low-pressure region 16b via the pressure / flow rate adjusting device 40. Then, the sample water adjusted to the constant flow rate is configured to be supplied to the analysis device 34 on the most downstream side.
【００１４】しかるに、本発明においては、前述した圧
力・流量調整装置４０が、減温・減圧された試料水（供
給試料水）の温度および圧力を検出することにより、こ
の試料水の流量を調整するよう形成された、単体・多機
能式のセンサ付コントロール弁４０によって構成されて
いる。However, in the present invention, the above-mentioned pressure / flow rate adjusting device 40 adjusts the flow rate of this sample water by detecting the temperature and pressure of the sample water (supplied sample water) whose temperature has been reduced and reduced. The control valve 40 with a single-unit / multi-function sensor is formed as described above.
【００１５】すなわち、図２からも明らかなように、本
発明のセンサ付コントロール弁４０は、内部に供給試料
水の流路４２を有する弁本体４４と、これに結合される
ギヤボックス４６およびモータ４８とから構成されてい
る。前記流路４２のほぼ中央曲管部に配置される弁シー
ト５０および弁ディスク５２と、前記ギヤボックス５０
およびモータ５２とにより、電動弁部５４を形成する。
この電動弁部５４の上流側には、入口側圧力センサ５６
が配置され、また下流側には出口側圧力センサ５８およ
び温度センサ６０がそれぞれ配置される。そして、この
センサ付コントロール弁４０に対して、監視・制御盤７
０が電源、入力、出力の各導線６２ａ、６２ｂ、６２ｃ
を介して接続される。さらに、中央監視・制御装置６６
を接続導線６４を介して接続することもできる。That is, as is apparent from FIG. 2, the sensor-equipped control valve 40 of the present invention has a valve main body 44 having a flow path 42 for the supply sample water therein, a gear box 46 and a motor connected thereto. And 48. A valve seat 50 and a valve disc 52 arranged substantially in the center of the flow path 42, and the gear box 50.
The motor-operated valve portion 54 is formed by the motor 52 and the motor 52.
An inlet side pressure sensor 56 is provided on the upstream side of the electric valve portion 54.
And an outlet side pressure sensor 58 and a temperature sensor 60 are arranged on the downstream side. The monitoring / control panel 7 is attached to the control valve 40 with the sensor.
0 is each of power supply, input, and output conductors 62a, 62b, 62c
Connected via. Further, the central monitoring / control device 66
Can also be connected via a connecting conductor 64.
【００１６】なお、ここで前記圧力センサ５６、５８お
よび温度センサ６０は、それぞれ通常の圧電素子、サー
ミスタ等から構成することができる。また、電動弁部５
４の前記シート５０は、試料水の前後差圧および粘度、
温度等の諸条件に対し、簡便に対応できるよう、容易に
交換することができるオリフィス形状に形成する。The pressure sensors 56, 58 and the temperature sensor 60 can be composed of ordinary piezoelectric elements, thermistors, etc., respectively. In addition, the electric valve unit 5
4, the sheet 50 has a differential pressure across the sample water and a viscosity,
The orifice is formed so that it can be easily exchanged so that it can easily cope with various conditions such as temperature.
【００１７】さらに、前記構成からなる監視・制御盤７
０につき、図４を併せ参照して説明すれば、この監視・
制御盤７０は、前記各センサ６０、５６、５８から検出
される試料水の温度Ｔ、入口側圧力Ｐ１および出口側圧
力Ｐ２を前記両圧力の差圧（Ｐ１−Ｐ２）を算出する減
算器７２と、この差圧（Ｐ１−Ｐ２）に基づいて温度Ｔ
条件の補正された試料水流量Ｆを算出する演算器７６
と、この流量Ｆが所定の一定値となるよう電動弁部５４
のモータ４８を制御するファージーチップ（またはＰＩ
Ｄ制御器）７８および弁制御モータ８０からなる制御部
８２とを備えている。なお、前記差圧（Ｐ１−Ｐ２）
は、電動弁部５４のＣｖ値曲線が予め入力されているメ
モリ７４からのデータに基づいて求められる。Further, the monitoring / control panel 7 having the above-mentioned configuration
0 will be explained with reference to FIG. 4 as well.
The control panel 70 subtracts the temperature T of the sample water, the inlet side pressure P1 and the outlet side pressure P2 detected by the sensors 60, 56, 58 from the pressure difference between the two pressures (P1-P2). And the temperature T based on this differential pressure (P1-P2)
Arithmetic unit 76 for calculating the sample water flow rate F with the corrected conditions
And the electric valve unit 54 so that the flow rate F becomes a predetermined constant value.
Of the phage-chip (or PI that controls the motor 48 of the
D controller) 78 and a control unit 82 including a valve control motor 80. The differential pressure (P1-P2)
Is calculated based on the data from the memory 74 in which the Cv value curve of the motor-operated valve unit 54 is input in advance.
【００１８】そして、前記監視・制御盤７０の表示部８
４において、温度Ｔ、入口側圧力Ｐ１、出口側圧力Ｐ２
および流量Ｆが表示されると共に、モータ４８すなわち
電動弁部５４が制御部８２を介して自動的に制御される
よう構成されている。なお、この監視・制御盤７０にお
いては、例えば温度Ｔおよび圧力Ｐ１、Ｐ２の上下限警
報の設定および表示、あるいは圧力Ｐ１、Ｐ２および流
量Ｆの設定値変更等の制御をそれぞれ実施できることは
勿論である。The display unit 8 of the monitoring / control panel 70
4, temperature T, inlet pressure P1, outlet pressure P2
And the flow rate F are displayed, and the motor 48, that is, the electric valve unit 54 is automatically controlled via the control unit 82. It is needless to say that the monitoring / control panel 70 can control the temperature T and the pressures P1 and P2 to set and display the upper and lower limit alarms, or change the set values of the pressures P1 and P2 and the flow rate F, respectively. is there.
【００１９】このように、本発明の圧力・流量調整装置
は、監視・制御装置を具備することができるセンサ付コ
ントロール弁から一体的に構成されている。従って、多
数の計測および調整手段を必要とする従来のこの種の装
置に比較して、保守が容易となると共に、構成が簡単か
つ小形となり、しかも監視を制御可能にかつ中央監視室
等の遠隔地で一括して行うことができる利点が得られ
る。As described above, the pressure / flow rate adjusting device of the present invention is integrally constructed of a control valve with a sensor, which can be equipped with a monitoring / control device. Therefore, as compared with the conventional device of this type which requires a large number of measuring and adjusting means, the maintenance is easy, the structure is simple and small, the monitoring can be controlled, and the remote monitoring such as the central monitoring room is possible. The advantage is that it can be done collectively at the ground.
【００２０】以上、本発明の好適な実施例について説明
したが、本発明は前記実施例に限定されることなく、そ
の精神を逸脱しない範囲内において多くの設計変更が可
能である。また、前述の実施例においては、ボイラプラ
ントの適用に関して説明したが、これらの適用に限定さ
れることなく、例えば上・下水道あるいはＩＣ関連用等
の試料水採取装置としても、同様に適用することができ
る。Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and many design changes can be made without departing from the spirit thereof. In addition, although the application of the boiler plant has been described in the above-mentioned embodiments, the present invention is not limited to these applications and may be similarly applied to, for example, a sample water sampling device for water supply / sewerage or IC. You can
【００２１】[0021]
【発明の効果】以上説明したように、本発明に係る試料
水採取装置の圧力・流量調整装置は、高温・高圧の試料
水を減温・減圧した後分析装置へ供給する試料水採取装
置において、前記供給試料水の圧力・流量を調整する調
整装置を、前記減温・減圧した試料水の温度および圧力
を検出して、この試料水の流量を調整するよう形成した
センサ付コントロール弁で構成したことから、多数の計
測および調整手段を必要とする従来のこの種の装置と比
較して、保守が容易となると同時に、構成を簡単かつ小
形化することができる。しかも、本発明の前記センサ付
コントロール弁には、監視・制御装置を具備することか
ら、監視を制御可能にかつ中央監視室等の遠隔地で一括
して行うことができる等の利点が得られる。As described above, the pressure / flow rate adjusting device of the sample water sampling apparatus according to the present invention is a sample water sampling apparatus for supplying high temperature / high pressure sample water to the analyzer after depressurizing / depressurizing the sample water. And a control device for adjusting the pressure / flow rate of the supplied sample water, comprising a control valve with a sensor formed so as to detect the temperature and pressure of the temperature-reduced / decompressed sample water and adjust the flow rate of the sample water. Therefore, as compared with the conventional device of this type which requires a large number of measuring and adjusting means, the maintenance can be facilitated, and at the same time, the structure can be simplified and downsized. Moreover, since the sensor-equipped control valve of the present invention is provided with the monitoring / controlling device, it is possible to obtain an advantage that the monitoring can be controlled and can be collectively performed at a remote place such as a central monitoring room. .
【図１】本発明に係る試料水採取装置の圧力・流量調整
装置の一実施例を示す全体系統図である。FIG. 1 is an overall system diagram showing an embodiment of a pressure / flow rate adjusting device of a sample water sampling device according to the present invention.
【図２】図１に示すセンサ付コントロール弁の一実施例
を示す一部切欠断面図である。FIG. 2 is a partially cutaway sectional view showing an embodiment of the control valve with sensor shown in FIG.
【図３】図２に示す監視・制御盤の一実施例を示す回路
図である。FIG. 3 is a circuit diagram showing an embodiment of the monitoring / control panel shown in FIG.
【図４】従来の試料水採取装置の圧力・流量調整装置を
示す全体系統図である。FIG. 4 is an overall system diagram showing a pressure / flow rate adjusting device of a conventional sample water sampling device.
１０ プロセス系統母管 １４ 試料水採取装置 １６ パイプライン １６ａ 高圧領域 １６ｂ 低圧領域 １８ 冷却器 ２０ 減圧器 ３４ 分析装置 ４０ センサ付コントロール弁（圧力・流量調整装置） ４２ 流路 ４４ 弁本体 ４６ ギヤボックス ４８ モータ ５０ 弁シート ５２ 弁ディスク ５４ 電動弁部 ５６ 入口側圧力センサ ５８ 出口側圧力センサ ６０ 温度センサ ６２ａ〜６２ｃ 導線 ６４ 接続導線 ６６ 中央監視・制御装置 ７０ 監視・制御盤 ７２ 減算器 ７４ メモリ ７６ 演算器 ７８ ファージーチップ（またはＰＩＤ制御器） ８０ 弁制御モータ ８２ 制御部 ８４ 表示部 10 Process System Mother Tube 14 Sample Water Sampling Device 16 Pipeline 16a High Pressure Region 16b Low Pressure Region 18 Cooler 20 Pressure Reducer 34 Analyzer 40 Control Valve with Sensor (Pressure / Flow Rate Regulator) 42 Flow Channel 44 Valve Body 46 Gearbox 48 Motor 50 Valve seat 52 Valve disc 54 Motorized valve section 56 Inlet side pressure sensor 58 Outlet side pressure sensor 60 Temperature sensor 62a to 62c Conductor wire 64 Connection conductor wire 66 Central monitoring / control device 70 Monitoring / control panel 72 Subtractor 74 Memory 76 Computational device 78 Phage-Chip (or PID Controller) 80 Valve Control Motor 82 Control Unit 84 Display Unit
Claims (5)
分析装置へ供給する試料水採取装置において、前記供給
試料水の圧力・流量を調整する調整装置を、前記減温・
減圧した試料水の温度および圧力を検出することにより
この試料水の流量を調整するよう形成したセンサ付コン
トロール弁で構成することを特徴とする試料水採取装置
の圧力・流量調整装置。1. In a sample water sampling device that supplies high temperature and high pressure sample water to an analyzer after depressurizing and depressurizing the sample water, an adjusting device that adjusts the pressure and flow rate of the supplied sample water is
A pressure / flow rate adjusting device for a sample water sampling device, comprising a control valve with a sensor formed to adjust the flow rate of the sample water by detecting the temperature and pressure of the depressurized sample water.
領域における試料水の温度、圧力および流量を表示およ
び／または制御する監視装置および／または制御装置を
備えてなる請求項１記載の試料水採取装置の圧力・流量
調整装置。2. The sample water sampling according to claim 1, wherein the sensor-equipped control valve comprises a monitoring device and / or a control device for displaying and / or controlling the temperature, pressure and flow rate of the sample water in the low pressure region on the downstream side. Device pressure / flow rate adjustment device.
弁シートおよび弁ディスクを含む電動弁部に形成すると
共に、その試料水圧力検出センサを前記電動弁部の上流
側および下流側にそれぞれ配置し、これにより前記電動
弁部が前記両圧力センサの出力差圧に基づいて制御し得
るよう構成してなる請求項１記載の試料水採取装置の圧
力・流量調整装置。3. The sensor-equipped control valve has a valve portion formed on an electrically operated valve portion including a valve seat and a valve disc, and the sample water pressure detection sensors are arranged on the upstream side and the downstream side of the electrically operated valve portion, respectively. The pressure / flow rate adjusting device of the sample water sampling device according to claim 1, wherein the electric valve section is configured to be controlled based on the output differential pressure of the both pressure sensors.
サを介して補正制御し得るよう構成してなる請求項３記
載の試料水採取装置の圧力・流量調整装置。4. The pressure / flow rate adjusting device for a sample water sampling device according to claim 3, wherein the motor-operated valve portion is configured so as to be able to perform correction control via a sample water temperature detection sensor.
形状に構成してなる請求項３記載の試料水採取装置の圧
力・流量調整装置。5. The pressure / flow rate adjusting device for a sample water collecting device according to claim 3, wherein the motor-operated valve portion has a valve seat formed into an orifice shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15715493A JP3154869B2 (en) | 1993-06-28 | 1993-06-28 | Pressure / flow rate adjustment device for sample water sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15715493A JP3154869B2 (en) | 1993-06-28 | 1993-06-28 | Pressure / flow rate adjustment device for sample water sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0712689A true JPH0712689A (en) | 1995-01-17 |
| JP3154869B2 JP3154869B2 (en) | 2001-04-09 |
Family
ID=15643367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15715493A Expired - Lifetime JP3154869B2 (en) | 1993-06-28 | 1993-06-28 | Pressure / flow rate adjustment device for sample water sampling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3154869B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547372B1 (en) | 2001-07-27 | 2003-04-15 | Kyocera Corporation | Ink jet head |
| WO2005106612A2 (en) * | 2004-01-16 | 2005-11-10 | Bechtel Bwxt Idaho, Llc | Method, apparatus and system for controlling fluid flow |
| JP2007038058A (en) * | 2005-08-01 | 2007-02-15 | Dainippon Screen Mfg Co Ltd | Liquid treatment apparatus and liquid feeding method |
| JP2007255838A (en) * | 2006-03-24 | 2007-10-04 | Kurita Water Ind Ltd | Boiler device |
| JP2014145648A (en) * | 2013-01-29 | 2014-08-14 | Japan Atomic Energy Agency | Water quality measurement system and differential pressure regulating valve |
| KR20150076821A (en) * | 2013-12-27 | 2015-07-07 | 현대중공업 주식회사 | Ballast System with Accurate TRO Sensing Means |
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| US7080755B2 (en) | 2004-09-13 | 2006-07-25 | Michael Handfield | Smart tray for dispensing medicaments |
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1993
- 1993-06-28 JP JP15715493A patent/JP3154869B2/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547372B1 (en) | 2001-07-27 | 2003-04-15 | Kyocera Corporation | Ink jet head |
| WO2005106612A2 (en) * | 2004-01-16 | 2005-11-10 | Bechtel Bwxt Idaho, Llc | Method, apparatus and system for controlling fluid flow |
| WO2005106612A3 (en) * | 2004-01-16 | 2006-06-08 | Bechtel Bwxt Idaho Llc | Method, apparatus and system for controlling fluid flow |
| US7287541B2 (en) * | 2004-01-16 | 2007-10-30 | Battelle Energy Alliance, Llc | Method, apparatus and system for controlling fluid flow |
| JP2007038058A (en) * | 2005-08-01 | 2007-02-15 | Dainippon Screen Mfg Co Ltd | Liquid treatment apparatus and liquid feeding method |
| JP2007255838A (en) * | 2006-03-24 | 2007-10-04 | Kurita Water Ind Ltd | Boiler device |
| JP2014145648A (en) * | 2013-01-29 | 2014-08-14 | Japan Atomic Energy Agency | Water quality measurement system and differential pressure regulating valve |
| KR20150076821A (en) * | 2013-12-27 | 2015-07-07 | 현대중공업 주식회사 | Ballast System with Accurate TRO Sensing Means |
| JP6330943B1 (en) * | 2017-03-10 | 2018-05-30 | 栗田工業株式会社 | Ballast water measuring device, ship equipped with ballast water measuring device, and ballast water measuring method |
| WO2018163475A1 (en) * | 2017-03-10 | 2018-09-13 | 栗田工業株式会社 | Ballast water measurement device, ship provided with ballast water measurement device, and ballast water measurement method |
| JP2018151174A (en) * | 2017-03-10 | 2018-09-27 | 栗田工業株式会社 | Ballast water measuring device, ship with the same and ballast water measuring method |
| CN115575459A (en) * | 2022-12-08 | 2023-01-06 | 中国核动力研究设计院 | Miniaturized modular water quality on-line monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3154869B2 (en) | 2001-04-09 |
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